#include<cstdio>

int num[10];
int main(){
	int a, b, sum = 0;
	scanf("%d%d", &a, &b);
	sum = a + b;
	if(sum < 0){
		printf("-");
		sum = -sum;
	}
	int len = 0;
	if(sum == 0) num[len++] = 0;
	while(sum){
		num[len++] = sum % 10;
		sum /= 10;
	}
	for(int k = len - 1; k >= 0; k--){
		printf("%d", num[k]);
		if(k > 0 && k % 3 == 0) printf(",");
	}
	return 0;
}
